libswresample-simd: rename 6ch pack to what it is

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libswresample/x86/audio_convert.asm

@@ -199,7 +199,7 @@ cglobal %2_to_%1_%3, 3, 3, 6, dst, src, len
     REP_RET
 %endmacro
 
-%macro CONV_FLTP_TO_FLT_6CH 3
+%macro PACK_6CH 3
 cglobal pack_6ch_%2_to_%1_%3, 2,8,7, dst, src, src1, src2, src3, src4, src5, len
 %if ARCH_X86_64
     mov     lend, r2d
@@ -369,8 +369,8 @@ CONV int32, int16, a, 2, 1, INT16_TO_INT32_N, NOP_N
 CONV int16, int32, u, 1, 2, INT32_TO_INT16_N, NOP_N
 CONV int16, int32, a, 1, 2, INT32_TO_INT16_N, NOP_N
 
-CONV_FLTP_TO_FLT_6CH float,float,u
-CONV_FLTP_TO_FLT_6CH float,float,a
+PACK_6CH float,float,u
+PACK_6CH float,float,a
 
 INIT_XMM sse
 CONV int32, int16, u, 2, 1, INT16_TO_INT32_N, NOP_N
@@ -434,13 +434,13 @@ UNPACK_2CH float, int16, u, 2, 1, INT16_TO_FLOAT_N, INT16_TO_FLOAT_INIT
 UNPACK_2CH float, int16, a, 2, 1, INT16_TO_FLOAT_N, INT16_TO_FLOAT_INIT
 
 INIT_XMM sse4
-CONV_FLTP_TO_FLT_6CH float,float,u
-CONV_FLTP_TO_FLT_6CH float,float,a
+PACK_6CH float,float,u
+PACK_6CH float,float,a
 
 %if HAVE_AVX
 INIT_XMM avx
-CONV_FLTP_TO_FLT_6CH float,float,u
-CONV_FLTP_TO_FLT_6CH float,float,a
+PACK_6CH float,float,u
+PACK_6CH float,float,a
 
 INIT_YMM avx
 CONV float, int32, u, 2, 2, INT32_TO_FLOAT_N, INT32_TO_FLOAT_INIT